Pith Number

pith:C6ACADK6

pith:2019:C6ACADK6GA5QWDOAW7ZGQXE5NR

not attested not anchored not stored refs pending

Puzzling Radii of Calcium Isotopes: $^{40}{\rm Ca} \rightarrow ^{44}{\rm Ca} \rightarrow ^{48}{\rm Ca} \rightarrow ^{52}{\rm Ca}$, and Duality in the Structure of $^{42}_{14}{\rm Si}_{28}$ and $^{48}_{20}{\rm Ca}_{28}$

Anisul Ain Usmani, Mohammad Ikram, Syed Afsar Abbas, Usuf Rahaman

arxiv:1908.04026 v1 · 2019-08-12 · nucl-th · nucl-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6ACADK6GA5QWDOAW7ZGQXE5NR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:55:13.370336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1780200d5e303b0b0dc0b7f2685c9d6c7160406d65253243547c4ab5386d592b

Aliases

arxiv: 1908.04026 · arxiv_version: 1908.04026v1 · doi: 10.48550/arxiv.1908.04026 · pith_short_12: C6ACADK6GA5Q · pith_short_16: C6ACADK6GA5QWDOA · pith_short_8: C6ACADK6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/C6ACADK6GA5QWDOAW7ZGQXE5NR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1780200d5e303b0b0dc0b7f2685c9d6c7160406d65253243547c4ab5386d592b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c7288d176cd784d7654e6aea58039d3ab52f0050e7d610a8cb3d1410235e583",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2019-08-12T06:56:14Z",
    "title_canon_sha256": "fcb31e0a25a09a7860272eb43497c2bcde6a606715a47dc902e9b8bda0c345be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04026",
    "kind": "arxiv",
    "version": 1
  }
}